Finding the Fourth Proportional to 1,294,933,654,448.70, 1,786,937,646,755.20 and 708,870,125,444.71
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Solution
The fourth proportional to 1,294,933,654,448.70, 1,786,937,646,755.20 and 708,870,125,444.71 is: 978,202,017,891.42
Step by Step Solution
- Step 1: Write the proportion equation
1,294,933,654,448.70 : 1,786,937,646,755.20 = 708,870,125,444.71 : x - Step 2: Convert to fraction form
1,294,933,654,448.70/1,786,937,646,755.20 = 708,870,125,444.71/x - Step 3: Cross multiply
1,294,933,654,448.70x = 1,786,937,646,755.20 × 708,870,125,444.71 - Step 4: Simplify right side
1,294,933,654,448.70x = 1,266,706,713,817,233,460,559,872 - Step 5: Solve for x
x = 1,266,706,713,817,233,460,559,872/1,294,933,654,448.70 - Step 6: Final answer
x = 978,202,017,891.42
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.